<SEC-DOCUMENT>0001125345-17-000060-index.html : 20170503
<SEC-HEADER>0001125345-17-000060.hdr.sgml : 20170503
<ACCEPTANCE-DATETIME>20170503161100
ACCESSION NUMBER:		0001125345-17-000060
CONFORMED SUBMISSION TYPE:	424B5
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20170503
DATE AS OF CHANGE:		20170503

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MACROGENICS INC
		CENTRAL INDEX KEY:			0001125345
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		424B5
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-214385
		FILM NUMBER:		17809254

	BUSINESS ADDRESS:	
		STREET 1:		9704 MEDICAL CENTER DRIVE
		CITY:			Rockville
		STATE:			MD
		ZIP:			20850
		BUSINESS PHONE:		301-251-5172

	MAIL ADDRESS:	
		STREET 1:		9704 MEDICAL CENTER DRIVE
		CITY:			ROCKVILLE
		STATE:			MD
		ZIP:			20850
</SEC-HEADER>
<DOCUMENT>
<TYPE>424B5
<SEQUENCE>1
<FILENAME>mgnx_atmxproxsupp.htm
<DESCRIPTION>424B5
<TEXT>
Document 1 - file: mgnx_atmxproxsupp.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>mgnxatmprosupp_image1.jpg
<TEXT>
Document 2 - file: mgnxatmprosupp_image1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>mgnxatmprosupp_image2.jpg
<TEXT>
Document 3 - file: mgnxatmprosupp_image2.jpg

</DOCUMENT>
</SEC-DOCUMENT>